Method of achieving satellite serial port communication
A serial port communication and satellite technology, which is applied in the field of satellite communication, can solve the problems of reduced system reliability, low transmission accuracy, complex structure, etc., and achieve the effects of reducing volume and weight, improving communication accuracy, and compact structure
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[0022] see figure 1 , is a block diagram of the serial port communication structure of the present invention, including a host computer module, an antifuse field programmable logic device FPGA chip whose model is A54SX72A, a digital signal processing DSP chip whose model is TMS320VC33, a differential signal conversion chip whose model is MAX3070E, and a host computer Send instructions to the control torque gyroscope. The instructions sent from the host computer are two-way differential signals, which are converted into one-way serial signals through the differential signal conversion chip of MAX3070E. Serial signals are transmitted in bytes, and one command is one The frame is decoded by the FPGA chip of the anti-fuse field programmable logic device. After judging that a frame command is received, an interrupt signal is generated to the DSP chip. Through bus interaction, the DSP chip reads the FPGA chip of the anti-fuse field programmable logic device The data stored in the co...
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